(Christianity) Number of the Beast

plural of tricomplex number

plural of Cullen number

(physics) The ratio between mean free path and aperture size used as a parameter in describing Knudsen flow.

Synonym of split-complex number

plural of hyperbolic number

plural of ideal number

(number theory) An algebraic integer that represents an ideal in the ring of integers of a number field.

(mathematics, chiefly historical) Synonym of pi, particularly the 35-decimal approximation discovered by Ludolph van Ceulen

plural of Motzkin number